Subtract 45/64 from 15/5, Solve 3 0/5

Subtract 45/64 from 15/5

1^st number: 3 0/5, 2^nd number: 45/64

15/5 - 45/64 is 147/64.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 64 is 320

Next, find the equivalent fraction of both fractional numbers with denominator 320
For the 1st fraction, since 5 × 64 = 320,
15/5 = 15 × 64/5 × 64 = 960/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
45/64 = 45 × 5/64 × 5 = 225/320
Subtract the two like fractions:
960/320 - 225/320 = 960 - 225/320 = 735/320
After reducing the fraction, the answer is 147/64
In mixed form: 219/64

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